It's not IRC, but there exists a working libpurple plugin that you just auth as with your normal user account: https://github.com/dylex/slack-libpurple https:/

It's not IRC, but there exists a working libpurple plugin that you just auth as with your normal user account: https://github.com/dylex/slack-libpurple https://github.com/dylex/slack-libpurple I just use it with Pidgin, but there are curses clients too (I'm aware of bitlbee, there are probably others) if you prefer the IRC-style experience.